https://www.jeffbullas.com/thread/stuck-on-hold-with-booking-com-here-are-30-faster-ways-to-get-help–2/ 

https://www.jeffbullas.com/thread/stuck-on-hold-with-booking-com-here-are-30-faster-ways-to-get-help-%f0%9f%9a%80-2/